The package uses httr, plyr, and stringi to perform a variety of functions and data frame manipulations, resulting in a cleanly structured and nicely formatted data frame. Users can request estimates by location, or for all locations within a specific geoLevel.

The package is freely available for download here. Use the devtools::install_github() function in R to install it. An API key is required. Contact CHIS at askchis@ucla.edu for information on purchasing an API key.